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# [[Heptagon]] - seven sided. Some coins have been been heptagonal.
# [[Heptagon]] - seven sided. Some coins have been been heptagonal.
# [[Octagon]] - eight sided, used for [[stop sign]]s in the U.S.
# [[Octagon]] - eight sided, used for [[stop sign]]s in the U.S.
# Higher orders of polygons are: [[nonagon]] (9-sided), [[decagon]] (10-sided), [[unodecagon]] (11-sided), [[duodecagon]] (12-sided]]
# Higher orders of polygons are: [[nonagon]] (9-sided), [[decagon]] (10-sided), [[unodecagon]] (11-sided), [[duodecagon]] (12-sided) etc.
[[Category:Geometry]]
[[Category:Geometry]]